condition	mean	min	max
4 h after light	8.9142315	8.45958	9.368883
8 h after light	8.584188000000001	8.298545	8.869831
12 h after light	8.137065	7.675745	8.598385
4 h after dark	9.135175	8.598385	9.671965
8 h after dark	8.2298635	8.197861	8.261866
12 h after dark	8.435038	8.435038	8.435038